JP6629802B2 - 車輪用軸受装置 - Google Patents
車輪用軸受装置 Download PDFInfo
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- JP6629802B2 JP6629802B2 JP2017173465A JP2017173465A JP6629802B2 JP 6629802 B2 JP6629802 B2 JP 6629802B2 JP 2017173465 A JP2017173465 A JP 2017173465A JP 2017173465 A JP2017173465 A JP 2017173465A JP 6629802 B2 JP6629802 B2 JP 6629802B2
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- 239000011162 core material Substances 0.000 claims description 65
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- 239000002184 metal Substances 0.000 description 26
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- 238000012986 modification Methods 0.000 description 19
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- 229920003051 synthetic elastomer Polymers 0.000 description 12
- 239000005061 synthetic rubber Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 11
- 239000010960 cold rolled steel Substances 0.000 description 10
- 239000004519 grease Substances 0.000 description 8
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 5
- 229920002449 FKM Polymers 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
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- 229920002943 EPDM rubber Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical class C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- -1 for example Polymers 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Description
図1は、本発明に係る車輪用軸受装置の一実施形態を示す縦断面図、図2は、図1の車輪用軸受を示す縦断面図、図3(a)は、図2のアウター側のシールを示す要部拡大図、(b)は、図2のインナー側のシールを示す要部拡大図、(c)は、図2の第1のシールリングを示す要部拡大図、図4は、図2の第2のシールリングを示す要部拡大図、図5は、図4の第2のシールリングの変形例を示す要部拡大図、図6は、図4の第2のシールリングの他の変形例を示す要部拡大図、図7は、図5の第2のシールリングの変形例を示す要部拡大図、図8は、図4の第2のシールリングの他の変形例を示す要部拡大図、図9(a)は、図8の芯金単体を示す正面図、(b)は、(a)のIX−O−IX線に沿った断面図、図10(a)は、図9の芯金の変形例を示す正面図、(b)は、(a)のX−O−X線に沿った断面図、(c)は、(a)の斜視図、図11(a)は、図9の芯金の他の変形例を示す正面図、(b)は、(a)のXI−O−XI線に沿った断面図、(c)は、(a)の背面図、図12(a)は、図9の芯金の他の変形例を示す正面図、(b)は、(a)のXII−O−XII線に沿った断面図、(c)は、(a)の背面図、図13(a)は、図9の芯金の他の変形例を示す正面図、(b)は、(a)のXIII−O−XIII線に沿った断面図、(c)は、(a)の背面図である。なお、以下の説明では、車両に組み付けた状態で車両の外側寄りとなる側をアウター側(図1の左側)、中央寄り側をインナー側(図1の右側)という。
1a 肩部
2 駆動軸
3 車輪用軸受
4 ハブ輪
5 ハブボルト
6 フランジ
7 ブレーキロータ
8 固定ナット
9 外方部材
9a 外側転走面
10 アウター側の内輪
11 インナー側の内輪
10a 内側転走面
10b 大鍔部
10c 小鍔部
12 保持器
13 円錐ころ
14 アウター側のシール
15 インナー側のシール
16、20、26 芯金
17、21 シール部材
17a、17b ラジアルリップ
18 シール板
19 スリンガ
19a、26a 円筒部
19b 立板部
21a、21b サイドリップ
21c グリースリップ
22 環状溝
23 連結環
24 環状凹部
25 第1のシールリング
26b、26c 鍔部
27、37、39、42 弾性部材
27a、27b 環状凸条
28 環状段部
28a 環状段部の壁面
28b 環状の盗み部
29、33、35、38、40 第2のシールリング
29a、42a ストレート部
30、31、32、34、42b 突起
36、41、43、44、45、46 芯材
41a、44a 切欠き部
43a V溝
51 車軸管
51a 肩部
52 駆動軸
53 車輪用軸受
54 ハブ輪
55 ハブボルト
56 フランジ
57、58 内輪
57a 内側転走面
57b 大鍔部
57c 小鍔部
59 固定ナット
60 外輪
60a 外側転走面
61 ブレーキロータ
62 保持器
63 円錐ころ
64、65 シール
66 環状溝
67 連結環
68 環状凹部
69 第1のシールリング
70 環状段部
71 第2のシールリング
72 芯金
73 弾性部材
73a リップ
73b 突起
d1 弾性部材の外径
d2 鍔部の内径
d3 第2のシールリングの外径
d4 弾性部材のストレート部の外径
D1、D3 環状段部の内径
D2 小鍔部の外径
Claims (1)
- デファレンシャルと連結される駆動軸が内挿された車軸管と、
この車軸管のアウター側の端部段差部に外嵌固定され、車輪を回転自在に支承する複列の転がり軸受からなる車輪用軸受とを備え、
この車輪用軸受が、内周に複列の外側転走面が一体に形成された外方部材と、
外周に前記複列の外側転走面に対向する内側転走面が形成された一対の内輪と、
これら内輪と前記外方部材の各転走面間に保持器を介して転動自在に収容された複列の転動体と、
前記外方部材と内輪との間に形成される環状空間の開口部に装着されたシールとを備え、
前記一対の内輪のうち前記車軸管の肩部に衝合するインナー側の内輪の端部内周に環状段部が形成されると共に前記環状段部と当該環状段部の壁面との隅部に盗み部が形成され、前記環状段部にシールリングが装着されたフルフローティングタイプの車輪用軸受装置において、
前記シールリングは、芯材と一体に加硫接着された弾性部材を備え、
前記シールリングが前記弾性部材から断面略矩形に形成され、外径に径方向外方に突出して形成された環状の突起を有すると共に、両端部に軸方向に突出して左右対称形に形成された突起を有し、
前記径方向外方に突出して形成された環状の突起は前記環状段部の内径よりも大径に設定され、弾性変形されて前記盗み部に収容されると共に、前記芯材は円環状であり、当該芯材の内径部は、前記弾性部材から突出し、前記軸方向に突出して左右対称形に形成された突起が前記環状段部の壁面と前記車軸管の肩部にシメシロを介して当接されていることを特徴とする車輪用軸受装置。
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JP2017173465A JP6629802B2 (ja) | 2017-09-08 | 2017-09-08 | 車輪用軸受装置 |
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JP2017173465A JP6629802B2 (ja) | 2017-09-08 | 2017-09-08 | 車輪用軸受装置 |
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JP2013145180A Division JP6235256B2 (ja) | 2013-07-11 | 2013-07-11 | 車輪用軸受装置 |
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JP2018002148A JP2018002148A (ja) | 2018-01-11 |
JP6629802B2 true JP6629802B2 (ja) | 2020-01-15 |
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JP2017173465A Active JP6629802B2 (ja) | 2017-09-08 | 2017-09-08 | 車輪用軸受装置 |
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JP (1) | JP6629802B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11187271B2 (en) * | 2019-07-04 | 2021-11-30 | Aktiebolaget Skf | Polymer joining ring for a bearing assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2388409B (en) * | 2002-05-10 | 2005-08-31 | Polymer Sealing Solutions Ltd | Seal |
JP4380263B2 (ja) * | 2003-08-22 | 2009-12-09 | 株式会社ジェイテクト | シェル形ころ軸受 |
JP5252489B2 (ja) * | 2008-07-18 | 2013-07-31 | Ntn株式会社 | 駆動輪支持装置 |
JP2010127296A (ja) * | 2008-11-25 | 2010-06-10 | Ntn Corp | 車輪用軸受装置 |
JP2011251649A (ja) * | 2010-06-03 | 2011-12-15 | Ntn Corp | 車輪用軸受装置 |
JP2013145180A (ja) * | 2012-01-13 | 2013-07-25 | Olympus Corp | 放射線検出器,放射線検出装置及びそれらの動作方法 |
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